<template>
    <div>
         <transition name="slide-up">
      <div class="setting-wrapper" v-show="menuVisible && settingVisible === 0">
        <div class="setting-font-size" >
          <div class="preview" :style="{fontSize:fontSizeList[0].fontSize+'px'}">A</div>
          <div class="select">
            <div
              class="select-wrapper"
              v-for="(item, index) in fontSizeList"
              :key="index"
              @click="setFontSize(item.fontSize)"
            >
              <div class="line"></div>
              <div class="point-wrapper">
                <div class="point" v-show="defaultFontSize === item.fontSize">
                  <div class="small-point"></div>
                </div>
              </div>
              <div class="line"></div>
            </div>
          </div>
          <div
            class="preview"
            :style="{fontSize:fontSizeList[fontSizeList.length-1].fontSize+'px'}"
          >A</div>
        </div>
       <div class="setting-font-family" @click="showFontFamliyPopup">
         <div class="setting-font-family-text-wrapper">
           <span class="setting-font-family-text">
             {{defaultFontFamily}}
           </span>
         </div>
         <div class="setting-font-family-icon-wrapper">
           <span class="icon-forward"></span>
         </div>
       </div>
      </div>
    </transition>
    </div>
</template>
<script>
import {FONT_SIZE_LIST} from '@/utils/book'
import {ebookMixin} from '@/utils/mixin'
import { saveFontSize } from '../../utils/localStorage';
export default {
    mixins:[ebookMixin],
    data() {
        return {
            fontSizeList:FONT_SIZE_LIST
        }
    },
    methods:{
        setFontSize(fontSize){
          this.setDefaultFontSize(fontSize)
          saveFontSize(this.fileName,fontSize)
          this.currentBook.rendition.themes.fontSize(fontSize)
        },
        showFontFamliyPopup(){
          this.setFontFamilyVisible(true)
        }
        
    }
}
</script>
<style lang="scss" scoped>
@import "@styles/global.scss";
    .setting-wrapper {
    z-index: 151;
    position: absolute;
    bottom: px2rem(48);
    display: flex;
    flex-direction: column;
    left: 0;
    width: 100%;
    height: px2rem(90);
    background: #fff;
    box-shadow: 0 px2rem(-8) px2rem(8) rgba(0, 0, 0, 0.15);
    .setting-font-size {
      flex: 2;
      display: flex;
      height: 100%;
      .preview {
        flex: 0 0 px2rem(40);
        @include center;
      }
      .select {
        display: flex;
        flex: 1;
        .select-wrapper {
          flex: 1;
          display: flex;
          align-items: center;
          &:first-child {
            .line {
              &.first-child {
                border-top: none;
              }
            }
          }
          &:last-child {
            .line {
              &.last-child {
                border-top: none;
              }
            }
          }
          .line {
            flex: 1;
            height: 0;
            border-top: px2rem(1) solid #ccc;
          }
          .point-wrapper {
            position: relative;
            flex: 0 0 0;
            width: 0;
            height: px2rem(7);
            border-left: px2rem(1) solid #ccc;
            .point {
              position: absolute;
              top: px2rem(-8);
              left: px2rem(-10);
              width: px2rem(20);
              height: px2rem(20);
              border-radius: 50%;
              background: #fff;
              border: px2rem(1) solid #ccc;
              box-shadow: 0 px2rem(4) px2rem(4) rgba(0, 0, 0, 0.15);
              @include center;
              .small-point {
                width: px2rem(5);
                height: px2rem(5);
                background: #000;
                border-radius: 50%;
              }
            }
          }
        }
      }
    }
    .setting-font-family{
      flex: 1;
      font-size: px2rem(14);
      @include center;
      .setting-font-family-text-wrapper{
        @include center;
        
      }
     
    }
    .setting-theme {
      height: 100%;
      display: flex;
      .setting-theme-item {
        display: flex;
        flex: 1;
        flex-direction: column;
        padding: px2rem(5);
        box-sizing: border-box;
        .preview {
          flex: 1;
          border: px2rem(1) solid #ccc;
          box-sizing: border-box;
          &.no-border {
            border: none;
          }
        }
        .text {
          @include center;
          flex: 0 0 px2rem(20);
          font-size: px2rem(14);
          color: #999;
          &.selected {
            color: #333;
          }
        }
      }
    }
    .setting-progress {
      position: relative;
      width: 100%;
      height: 100%;
      .progress-wrapper {
        width: 100%;
        height: 100%;
        @include center;
        padding: 0 px2rem(30);
        box-sizing: border-box;
        .progress {
          width: 100%;
          -webkit-appearance: none;
          height: px2rem(2);
          background: -webkit-linear-gradient(#999, #999) no-repeat, #ddd;
          background-size: 0 100%;
          &:focus {
            outline: none;
          }
          &::-webkit-slider-thumb {
            -webkit-appearance: none;
            height: px2rem(20);
            width: px2rem(20);
            border-radius: 50%;
            box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
            border: px2rem(1) solid #ddd;
          }
        }
      }
      .text-wrapper {
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        color: #333;
        font-size: px2rem(12);
        text-align: center;
      }
    }
  }
</style>
